1991 Edition, December 20, 1991
Cross-Recessed Tapping Screws - Part 3: Specification for Raised Countersunk Head Screws
Includes all amendments and changes through Reaffirmation Notice , November 1, 2004
Superseded By: BS EN ISO 7051
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Description / Abstract:
Requirements for screws with thread sizes from ST2,2 to ST9,5 inclusive with recess types V and Z.